chore: deduplicate permalinks; fix sitemap; organize

src/includes/partials/feeds/rss.liquid

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+  <channel>
+    <atom:link href="{{ permalink | absoluteUrl: globals.url }}" rel="self" type="application/rss+xml" />
+    {%- assign entries = data | normalizeEntries -%}
+    <title>{{ title }}</title>
+    <description>{{ description }}</description>
+    <link>{{ permalink | absoluteUrl: globals.url }}</link>
+    <lastBuildDate>{{ updated | stringToRFC822Date }}</lastBuildDate>
+    <image>
+      <title>{{ title }}</title>
+      <link>{{ permalink | absoluteUrl: globals.url }}</link>
+      <url>https://cdn.coryd.dev/{{ globals.feed_image }}</url>
+      <width>144</width>
+      <height>144</height>
+    </image>
+    {% for entry in entries limit: 20 -%}
+      {% assign rating = entry.rating %}
+      {%- capture entryTitle -%}
+        {{ entry.title | escape }}
+        {%- if entry.authors %} via {{ entry.authors.name }}{%- endif -%}
+        {%- if rating %} ({{ rating }}){%- endif -%}
+      {%- endcapture -%}
+      <item>
+        <title>{{ entryTitle }}</title>
+        <link>{{ entry.url | encodeAmp }}</link>
+        <pubDate>{{ entry.date | stringToRFC822Date }}</pubDate>
+        <guid>{{ entry.url | encodeAmp }}</guid>
+        <description>{{ entry.excerpt | escape }}</description>
+      </item>
+    {%- endfor %}
+  </channel>
+</rss>